RU2010143432A - METHOD FOR CRYSTALLIZING 2-AMINO-2- [2- [4- (3-BENZYloxyphenylthio) -2-Chlorophenyl] Ethyl] -1,3-Propanediol Hydrochloride - Google Patents

METHOD FOR CRYSTALLIZING 2-AMINO-2- [2- [4- (3-BENZYloxyphenylthio) -2-Chlorophenyl] Ethyl] -1,3-Propanediol Hydrochloride Download PDF

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RU2010143432A
RU2010143432A RU2010143432/04A RU2010143432A RU2010143432A RU 2010143432 A RU2010143432 A RU 2010143432A RU 2010143432/04 A RU2010143432/04 A RU 2010143432/04A RU 2010143432 A RU2010143432 A RU 2010143432A RU 2010143432 A RU2010143432 A RU 2010143432A
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ethyl
hydrochloride
benzyloxyphenylthio
chlorophenyl
amino
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Хидетака КОМАЦУ (JP)
Хидетака КОМАЦУ
Хироя САТОХ (JP)
Хироя САТОХ
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Керин Фармасьютикал Ко., Лтд. (Jp)
Керин Фармасьютикал Ко., Лтд.
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    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C319/00Preparation of thiols, sulfides, hydropolysulfides or polysulfides
    • C07C319/26Separation; Purification; Stabilisation; Use of additives
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    • AHUMAN NECESSITIES
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    • C07C323/23Thiols, sulfides, hydropolysulfides or polysulfides substituted by halogen, oxygen or nitrogen atoms, or by sulfur atoms not being part of thio groups containing thio groups and nitrogen atoms, not being part of nitro or nitroso groups, bound to the same carbon skeleton
    • C07C323/31Thiols, sulfides, hydropolysulfides or polysulfides substituted by halogen, oxygen or nitrogen atoms, or by sulfur atoms not being part of thio groups containing thio groups and nitrogen atoms, not being part of nitro or nitroso groups, bound to the same carbon skeleton having the sulfur atom of at least one of the thio groups bound to a carbon atom of a six-membered aromatic ring of the carbon skeleton
    • C07C323/32Thiols, sulfides, hydropolysulfides or polysulfides substituted by halogen, oxygen or nitrogen atoms, or by sulfur atoms not being part of thio groups containing thio groups and nitrogen atoms, not being part of nitro or nitroso groups, bound to the same carbon skeleton having the sulfur atom of at least one of the thio groups bound to a carbon atom of a six-membered aromatic ring of the carbon skeleton having at least one of the nitrogen atoms bound to an acyclic carbon atom of the carbon skeleton
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Abstract

1. Способ кристаллизации гидрохлорида 2-амино-2-[2-[4-(3-бензилоксифенилтио)-2-хлорфенил]этил]-1,3-пропандиола, включающий стадии: ! (1) растворения 2-амино-2-[2-[4-(3-бензилоксифенилтио)-2-хлорфенил]этил]-1,3-пропандиола в смешанном растворителе, содержащем растворитель, в котором соединение в форме его гидрохлорида имеет высокую растворимость, и растворитель, в котором гидрохлорид меньше растворим, для того, чтобы таким образом получить раствор 2-амино-2-[2-[4-(3-бензилоксифенилтио)-2-хлорфенил]этил]-1,3-пропандиола; и затем ! (2) добавления хлористоводородной кислоты к указанному выше раствору при перемешивании для того, чтобы таким образом кристаллизовать гидрохлорид 2-амино-2-[2-[4-(3-бензилоксифенилтио)-2-хлорфенил]этил]-1,3-пропандиола. ! 2. Способ по п.1, дополнительно включающий стадию (3), стадию охлаждения указанного раствора, полученного на стадии (2), при перемешивании. ! 3. Способ по п.1 или 2, где растворитель, в котором гидрохлорид соединения высоко растворим, выбран из группы, состоящей из метанола, этанола, пропилового спирта, изопропилового спирта, бутанола, трет-бутанола, ацетонитрила и пропионитрила. ! 4. Способ по п.1 или 2, где растворитель, в котором гидрохлорид соединения меньше растворим, выбран из группы, состоящей из воды, этилформиата, этилацетата, пропилацетата, этилпропионата, простого диэтилового эфира, простого диизопропилового эфира и простого диметилового эфира этиленгликоля. ! 5. Способ по п.1 или 2, где количество смешанного растворителя не меньше чем в 20 раз превышает массу указанного 2-амино-2-[2-[4-(3-бензилоксифенилтио)-2-хлорфенил]этил]-1,3-пропандиола. ! 6. Способ по п.5, где количество смешанного растворителя в 20-50 раз п� 1. The method of crystallization of 2-amino-2- [2- [4- (3-benzyloxyphenylthio) -2-chlorophenyl] ethyl] -1,3-propanediol hydrochloride, comprising the steps of:! (1) dissolving 2-amino-2- [2- [4- (3-benzyloxyphenylthio) -2-chlorophenyl] ethyl] -1,3-propanediol in a mixed solvent containing a solvent in which the compound in the form of its hydrochloride has a high solubility, and a solvent in which the hydrochloride is less soluble, in order to thereby obtain a solution of 2-amino-2- [2- [4- (3-benzyloxyphenylthio) -2-chlorophenyl] ethyl] -1,3-propanediol; and then ! (2) adding hydrochloric acid to the above solution with stirring so as to crystallize 2-amino-2- [2- [4- (3-benzyloxyphenylthio) -2-chlorophenyl] ethyl] -1,3-propanediol hydrochloride . ! 2. The method according to claim 1, further comprising a step (3), a step of cooling said solution obtained in step (2) with stirring. ! 3. The method according to claim 1 or 2, where the solvent in which the hydrochloride salt of the compound is highly soluble is selected from the group consisting of methanol, ethanol, propyl alcohol, isopropyl alcohol, butanol, tert-butanol, acetonitrile and propionitrile. ! 4. The method according to claim 1 or 2, wherein the solvent in which the hydrochloride of the compound is less soluble is selected from the group consisting of water, ethyl formate, ethyl acetate, propyl acetate, ethyl propionate, diethyl ether, diisopropyl ether and ethylene glycol dimethyl ether. ! 5. The method according to claim 1 or 2, where the amount of the mixed solvent is not less than 20 times the mass of the specified 2-amino-2- [2- [4- (3-benzyloxyphenylthio) -2-chlorophenyl] ethyl] -1, 3-propanediol. ! 6. The method according to claim 5, where the amount of mixed solvent is 20-50 times

Claims (11)

1. Способ кристаллизации гидрохлорида 2-амино-2-[2-[4-(3-бензилоксифенилтио)-2-хлорфенил]этил]-1,3-пропандиола, включающий стадии:1. The method of crystallization of hydrochloride of 2-amino-2- [2- [4- (3-benzyloxyphenylthio) -2-chlorophenyl] ethyl] -1,3-propanediol, comprising the steps of: (1) растворения 2-амино-2-[2-[4-(3-бензилоксифенилтио)-2-хлорфенил]этил]-1,3-пропандиола в смешанном растворителе, содержащем растворитель, в котором соединение в форме его гидрохлорида имеет высокую растворимость, и растворитель, в котором гидрохлорид меньше растворим, для того, чтобы таким образом получить раствор 2-амино-2-[2-[4-(3-бензилоксифенилтио)-2-хлорфенил]этил]-1,3-пропандиола; и затем(1) dissolving 2-amino-2- [2- [4- (3-benzyloxyphenylthio) -2-chlorophenyl] ethyl] -1,3-propanediol in a mixed solvent containing a solvent in which the compound in the form of its hydrochloride has a high solubility, and a solvent in which the hydrochloride is less soluble, in order to thereby obtain a solution of 2-amino-2- [2- [4- (3-benzyloxyphenylthio) -2-chlorophenyl] ethyl] -1,3-propanediol; and then (2) добавления хлористоводородной кислоты к указанному выше раствору при перемешивании для того, чтобы таким образом кристаллизовать гидрохлорид 2-амино-2-[2-[4-(3-бензилоксифенилтио)-2-хлорфенил]этил]-1,3-пропандиола.(2) adding hydrochloric acid to the above solution with stirring so as to crystallize 2-amino-2- [2- [4- (3-benzyloxyphenylthio) -2-chlorophenyl] ethyl] -1,3-propanediol hydrochloride . 2. Способ по п.1, дополнительно включающий стадию (3), стадию охлаждения указанного раствора, полученного на стадии (2), при перемешивании.2. The method according to claim 1, further comprising a step (3), a step of cooling said solution obtained in step (2) with stirring. 3. Способ по п.1 или 2, где растворитель, в котором гидрохлорид соединения высоко растворим, выбран из группы, состоящей из метанола, этанола, пропилового спирта, изопропилового спирта, бутанола, трет-бутанола, ацетонитрила и пропионитрила.3. The method according to claim 1 or 2, where the solvent in which the hydrochloride salt of the compound is highly soluble is selected from the group consisting of methanol, ethanol, propyl alcohol, isopropyl alcohol, butanol, tert-butanol, acetonitrile and propionitrile. 4. Способ по п.1 или 2, где растворитель, в котором гидрохлорид соединения меньше растворим, выбран из группы, состоящей из воды, этилформиата, этилацетата, пропилацетата, этилпропионата, простого диэтилового эфира, простого диизопропилового эфира и простого диметилового эфира этиленгликоля.4. The method according to claim 1 or 2, wherein the solvent in which the hydrochloride of the compound is less soluble is selected from the group consisting of water, ethyl formate, ethyl acetate, propyl acetate, ethyl propionate, diethyl ether, diisopropyl ether and ethylene glycol dimethyl ether. 5. Способ по п.1 или 2, где количество смешанного растворителя не меньше чем в 20 раз превышает массу указанного 2-амино-2-[2-[4-(3-бензилоксифенилтио)-2-хлорфенил]этил]-1,3-пропандиола.5. The method according to claim 1 or 2, where the amount of the mixed solvent is not less than 20 times the mass of the specified 2-amino-2- [2- [4- (3-benzyloxyphenylthio) -2-chlorophenyl] ethyl] -1, 3-propanediol. 6. Способ по п.5, где количество смешанного растворителя в 20-50 раз превышает массу указанного 2-амино-2-[2-[4-(3-бензилоксифенилтио)-2-хлорфенил]этил]-1,3-пропандиола.6. The method according to claim 5, where the amount of the mixed solvent is 20-50 times the mass of the specified 2-amino-2- [2- [4- (3-benzyloxyphenylthio) -2-chlorophenyl] ethyl] -1,3-propanediol . 7. Способ по п.1 или 2, где растворитель, в котором высоко растворим гидрохлорид соединения, представляет собой этанол, а растворитель, в котором гидрохлорид соединения меньше растворим, представляет собой этилацетат.7. The method according to claim 1 or 2, wherein the solvent in which the compound hydrochloride is highly soluble is ethanol, and the solvent in which the compound hydrochloride is less soluble is ethyl acetate. 8. Способ по п.7, где отношение смешивания этанола к этилацетату (этанол/этилацетату) составляет 2/3.8. The method according to claim 7, where the ratio of mixing ethanol to ethyl acetate (ethanol / ethyl acetate) is 2/3. 9. Способ по п.1 или 2, где на стадии (3) кристаллизация проводится при перемешивании раствора при скорости концевой части не меньше чем 50 м/мин.9. The method according to claim 1 or 2, where in stage (3) crystallization is carried out with stirring of the solution at a speed of the end part of not less than 50 m / min. 10. Способ по п.1 или 2, где охлаждение на стадии (3) проводится при температуре в диапазоне от 0 до 30°C.10. The method according to claim 1 or 2, where the cooling in stage (3) is carried out at a temperature in the range from 0 to 30 ° C. 11. Способ получения композиции для лечении аутоиммунного заболевания, включающий введение гидрохлорида 2-амино-2-[2-[4-(3-бензилоксифенилтио)-2-хлорфенил]этил]-1,3-пропандиола, включающий стадии:11. A method of obtaining a composition for the treatment of an autoimmune disease, comprising administering 2-amino-2- [2- [4- (3-benzyloxyphenylthio) -2-chlorophenyl] ethyl] -1,3-propanediol hydrochloride, comprising the steps of: (1) получение кристаллов гидрохлорида 2-амино-2-[2-[4-(3-бензилоксифенилтио)-2-хлорфенил]этил]-1,3-пропандиола в соответствии со способом по п.1 и(1) obtaining crystals of 2-amino-2- [2- [4- (3-benzyloxyphenylthio) -2-chlorophenyl] ethyl] -1,3-propanediol hydrochloride in accordance with the method of claim 1 and (2) добавление фармацевтически приемлемого эксципиента к кристаллам, полученным на указанной выше стадии (1). (2) adding a pharmaceutically acceptable excipient to the crystals obtained in the above step (1).
RU2010143432/04A 2008-03-24 2009-03-18 Method for crystallisation of 2-amino-2-[2-[4-(3-benzyloxyphenylthio)-2-chlorophenyl]ethyl]-1,3-propanediol hydrochloride RU2482110C2 (en)

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